---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-17986 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 9.0G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 607 12568 0 2863 15104 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:5c:99:c8 brd ff:ff:ff:ff:ff:ff inet 10.30.106.161/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86098sec preferred_lft 86098sec inet6 fe80::f816:3eff:fe5c:99c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-17986) 09/05/26 _x86_64_ (4 CPU) 03:04:24 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 126.93 11.40 115.53 318.08 33081.55 03:07:01 98.48 4.50 93.98 127.71 13250.59 03:08:01 14.06 5.23 8.83 407.80 1206.20 03:09:01 27.33 2.65 24.68 133.98 5377.77 Average: 66.70 5.94 60.76 246.89 13229.03 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13767232 15564448 2657736 16.18 71768 1916320 751988 4.30 658696 1765828 201668 03:07:01 13010136 15000596 3414832 20.79 85240 2086632 1315612 7.53 1247964 1912576 14976 03:08:01 11957524 13978984 4467444 27.20 86500 2115248 2261504 12.94 2294676 1911960 1524 03:09:01 12885428 15487248 3539540 21.55 90424 2682656 813028 4.65 1004328 2261704 446800 Average: 12905080 15007819 3519888 21.43 83483 2200214 1285533 7.36 1301416 1963017 166242 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 228.96 161.67 1648.69 24.89 0.00 0.00 0.00 0.00 03:06:01 lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 03:07:01 ens3 390.33 303.62 2567.09 59.31 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:08:01 ens3 1293.00 758.82 418.97 430.89 0.00 0.00 0.00 0.00 03:08:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:09:01 ens3 362.62 280.67 772.07 1824.82 0.00 0.00 0.00 0.00 03:09:01 lo 2.75 2.75 0.25 0.25 0.00 0.00 0.00 0.00 Average: ens3 568.73 376.20 1351.70 584.97 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-17986) 09/05/26 _x86_64_ (4 CPU) 03:04:24 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 15.40 0.00 1.33 2.10 0.01 81.16 03:06:01 0 2.26 0.00 0.52 4.95 0.00 92.28 03:06:01 1 28.74 0.00 2.47 1.15 0.02 67.62 03:06:01 2 18.24 0.00 1.53 2.07 0.02 78.14 03:06:01 3 12.33 0.00 0.83 0.28 0.00 86.56 03:07:01 all 24.13 0.00 1.73 0.36 0.02 73.77 03:07:01 0 29.57 0.00 1.50 0.13 0.02 68.78 03:07:01 1 24.18 0.00 1.55 0.97 0.03 73.26 03:07:01 2 21.73 0.00 1.00 0.15 0.00 77.11 03:07:01 3 21.03 0.00 2.82 0.17 0.02 75.97 03:08:01 all 35.98 0.00 5.69 0.08 0.01 58.24 03:08:01 0 33.09 0.00 6.05 0.07 0.00 60.80 03:08:01 1 31.74 0.00 1.59 0.05 0.02 66.60 03:08:01 2 32.86 0.00 4.79 0.10 0.02 62.24 03:08:01 3 46.18 0.00 10.33 0.12 0.03 43.34 03:09:01 all 33.60 0.00 2.17 0.08 0.01 64.14 03:09:01 0 27.01 0.00 1.47 0.13 0.00 71.39 03:09:01 1 36.00 0.00 2.79 0.15 0.02 61.05 03:09:01 2 41.00 0.00 2.43 0.07 0.02 56.48 03:09:01 3 30.37 0.00 1.99 0.00 0.02 67.63 Average: all 27.27 0.00 2.73 0.66 0.01 69.34 Average: 0 22.98 0.00 2.38 1.32 0.00 73.31 Average: 1 30.16 0.00 2.10 0.58 0.02 67.13 Average: 2 28.46 0.00 2.44 0.60 0.01 68.49 Average: 3 27.45 0.00 3.99 0.14 0.02 68.40